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HD340 F053 F31

Product catalog summary

Overview: The document provides technical specifications and operational guidelines for the JetFlex® Disc Diffuser HD 340, designed for municipal wastewater treatment applications.

Specifications:

Air Flow Rates: Standard operation: 5-12 m³/h; Maximum overload: 15 m³/h.
Operating Temperature: 0 – 80°C.
Operation Mode: Intermittent and continuous.
Dimensions: Height: 76 mm; Diameter: 346/295 mm; Perforated area: 0.06 m².
Material Composition: EPDM membrane with a density of 1.08 ±0.03 g/cm³, tensile strength > 10 N/mm², and elongation at break > 400%.

Installation and Maintenance:

Diffusers should not operate below the minimum air flow rate to avoid reduced performance.
Overload air flow should not exceed 10 minutes per day.
Regular maintenance includes cleaning with formic acid and periodic maximum air flow to maintain performance.

Storage Guidelines:

Store in a dark, dry, ventilated space, avoiding frost, heat, and UV exposure.
Rubber parts should not be stored for more than one year before installation.

Performance Testing:

Standard Oxygen Transfer Efficiency (SOTE) tested under specific conditions with a measuring tolerance of +/- 1%.
Headloss tests conducted with a tolerance of +/- 5%.

Disclaimer: The information is based on current knowledge and does not guarantee specific product properties or suitability for particular applications.

Catalog excerpts

Data Sheet JetFlex® Disc Diffuser - HD 340 Jaeger Group of Companies

Open the catalog to page 1

Installation drawing 3/4“–NPT Ø31,8 Grommet (rubber) Ring Support plate Thermoplastic header pipe Dimensions Hight Diameter total/effective Overall height membrane top of tube Perforated area Check valve Air flow Air flow rates at standard operation conditions max overload/ maintenance air flow rate Operating temperature Operation mode intermittent continuous municipal waste water of operation is highly recommended for air flow rates lower than minimum rate. air flow rate (e.g. cleaning) should not be applied longer than 10 min/day. • Numbers are for guidance only. Operating diffusers at too...

Open the catalog to page 2

Connectors to header pipe Permitted wall thickness of header tube Diameter of straightdrilled hole Universal Saddle PVC-Saddle 90 mm PVC-Saddle 110 mm Black White/Black White/Black Membrane material Type Colour Polymer Carbon black Plasticiser Others Density Tensile strength Elongation at break Tear strength Hardness Tension set Ozone resistance zero cracks Support plate material Material Additional colours Shipping unit Dimensions LxWxH Unit weight Shipping unit Pallet weight Pallet size

Open the catalog to page 3

Standard oxygen transfer efficiency (SOTE) and headloss for HD 340 F053 F31 10 Water depth Submergence depth Test media Test tank tap water bubble column Atmospheric pressure Water temperature Tank volume Tank floor area CSS,T Test conditions SOTE acc. to German Standard DWA M 209 (desorption method) Certificate ISAH, University Hanover, measuring tolerance +/- 1% Headloss internal tests tolerances +/- 5% Storage: • Diffuser and/or rubber sleeves must be stored factory-packed in a dark, dry, ventilated and dust-free storage space according to DIN 7716. Avoid frost, heat, UV/radiation, dust and...

Open the catalog to page 4

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